/Engine/Plugins/Experimental/GeometryScripting/Source/GeometryScriptingCore/Public/GeometryScript/MeshAssetFunctions.h
Although the class name indicates StaticMeshFunctions, that was a naming mistake that is difficult to correct. This class is intended to serve as a generic asset utils function library. The naming issue is only visible at the C++ level. It is not visible in Python or BP.
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(Meta=(ScriptName="GeometryScript_AssetUtils")) class UGeometryScriptLibrary_StaticMeshFunctions : public [UBlueprintFunctionLibrary](API\Runtime\Engine\Kismet\UBlueprintFunctionLibrary)